This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 97 |
| 4 | 54335 |
| 5 | 1035045121 |
| 6 | 1160799620549247 |
| 7 | 114730150164000898447873 |
| 8 | 1385904943637483363530115691960319 |
| 9 | 2706118201409447403878672281480056877837885441 |
| 10 | 1091106883064604841286281006789753438364086962298324514658303 |